import {z} from 'zod'

export type GetApiV2CatalogCollectionsArgs = {page?: number | undefined, per_page?: number | undefined, sort?: ('newest' | 'oldest') | undefined, shared?: boolean | undefined};

export type GetApiV2CatalogCollectionsOptions = {baseUrl?: string | undefined, customerAccessCode?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV2CatalogCollectionsResponse = z.object({page: z.number(), per_page: z.number(), total_count: z.number(), data: z.array(z.object({id: z.string(), name: z.string(), cover_asset: z.object({id: z.string(), asset: z.object({id: z.string().optional(), type: z.enum(["image", "video", "audio", "editorial-image", "editorial-video"]), name: z.string().optional()}), created_time: z.string(), collection_ids: z.array(z.string()).optional()}).optional(), total_item_count: z.number(), created_time: z.string(), updated_time: z.string(), visibility: z.enum(["private", "public"]), role_assignments: z.object({collection_id: z.string(), roles: z.object({owners: z.array(z.object({id: z.string(), type: z.literal("USER"), email: z.string()})).optional(), editors: z.array(z.object({id: z.string(), type: z.literal("USER"), email: z.string()})).optional(), viewers: z.array(z.object({id: z.string(), type: z.literal("USER"), email: z.string()})).optional()})})}))});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * List catalog collections
 * 
 * GET /v2/catalog/collections
 */
export const getApiV2CatalogCollections = async (args: GetApiV2CatalogCollectionsArgs, options?: GetApiV2CatalogCollectionsOptions) => {
const {baseUrl = "https://api.shutterstock.com", fetch: fetchFn = fetch, customerAccessCode} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.shared != null) query.append("shared", String(args.shared))
if (customerAccessCode !== undefined) headers.set('authorization', `Bearer ${customerAccessCode}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/catalog/collections${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiV2CatalogCollectionsResponse, await res.json())
};